@article {36253,
	title = {Extraction and evaluation of pectin from sunflower head residue using ultrasonic.},
	journal = {J. Agric. Sci. Mansoura Univ.},
	volume = {32},
	year = {2008},
	note = {n/a},
	pages = {309-320},
	abstract = {n/a},
	author = {Bekheit, A.A. and El-Razik, S.M. Galal M.H. Aly and F. Abd}
}
